According to Jim Season 4 Episode 17
The Mustache
A hot delivery girl gives Jim some fashion advice, prompting him to grow a mustache, which Cheryl hates. Cheryl retaliates by becoming a brunette - but Jim loves it. After a chance meeting with the girl, Cheryl asks her to give Jim suggestions that will make him look ridiculous.
4 - 27Wedding Bell BluesMay. 17, 2005- 4 - 26The ScrapbookMay. 10, 2005
- 4 - 25Geronimo JimMay. 10, 2005
- 4 - 24The Bachelorette PartyMay. 03, 2005
- 4 - 23The CompetitionApr. 19, 2005
- 4 - 22The ClockApr. 12, 2005
- 4 - 21Kentucky Fried BeltzmanMar. 29, 2005
- 4 - 20Spelling BeeMar. 22, 2005
- 4 - 19Take My Wife, PleaseMar. 15, 2005
- 4 - 18Shall We Dance?Mar. 08, 2005
- 4 - 17The MustacheMar. 08, 2005
- 4 - 16The Wedding DressFeb. 22, 2005
- 4 - 15Guess Who's Cooking Your Dinner?Feb. 15, 2005
- 4 - 14A Crying ShameFeb. 08, 2005
- 4 - 13The Jealous HusbandJan. 25, 2005
- 4 - 12Nanny-CamJan. 18, 2005
- 4 - 11Sympathy from the DevlinsJan. 11, 2005
- 4 - 10Stalking SantaDec. 14, 2004
- 4 - 9Poking the BearNov. 30, 2004
- 4 - 8The HuntersNov. 23, 2004
- 4 - 7Plot TwistNov. 16, 2004
- 4 - 6Father-Daughter DanceNov. 09, 2004
- 4 - 5Dress to Kill MeOct. 26, 2004
- 4 - 4The Garage DoorOct. 19, 2004
- 4 - 3The GrillOct. 12, 2004
- 4 - 2The EffortSep. 28, 2004
- 4 - 1A Hole in OneSep. 21, 2004
